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A blue circular sign with a white arrow bending to the left ahead.
regulatory

Turn left ahead

You must turn left at the junction ahead.

What it means in practice

The bent arrow tells you the mandatory turn is a short distance ahead rather than at the sign itself, giving you time to position and signal.

Description

A blue circular sign with a white arrow bending to the left ahead.

mandatoryjunction

Sources

  • Rules of the Road · Road Safety Authority · Edition reflecting road traffic law as at 1 March 2025
    Last checked 2026-09-08

Other regulatory signs

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Independent learning application. Not affiliated with the Road Safety Authority or the official Driver Theory Test service. TheoryLane questions are written by TheoryLane from published Irish road-rule sources.